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<?php
/**
* I18N: WP_Translations class.
*
* @package WordPress
* @subpackage I18N
* @since 6.5.0
*/
/**
* Class WP_Translations.
*
* @since 6.5.0
*
* @property-read array<string, string> $headers
* @property-read array<string, string[]> $entries
*/
class WP_Translations {
/**
* Text domain.
*
* @since 6.5.0
* @var string
*/
protected $textdomain = 'default';
/**
* Translation controller instance.
*
* @since 6.5.0
* @var WP_Translation_Controller
*/
protected $controller;
/**
* Constructor.
*
* @since 6.5.0
*
* @param WP_Translation_Controller $controller I18N controller.
* @param string $textdomain Optional. Text domain. Default 'default'.
*/
public function __construct( WP_Translation_Controller $controller, string $textdomain = 'default' ) {
$this->controller = $controller;
$this->textdomain = $textdomain;
}
/**
* Magic getter for backward compatibility.
*
* @since 6.5.0
*
* @param string $name Property name.
* @return mixed
*/
public function __get( string $name ) {
if ( 'entries' === $name ) {
$entries = $this->controller->get_entries( $this->textdomain );
$result = array();
foreach ( $entries as $original => $translations ) {
$result[] = $this->make_entry( $original, $translations );
}
return $result;
}
if ( 'headers' === $name ) {
return $this->controller->get_headers( $this->textdomain );
}
return null;
}
/**
* Builds a Translation_Entry from original string and translation strings.
*
* @see MO::make_entry()
*
* @since 6.5.0
*
* @param string $original Original string to translate from MO file. Might contain
* 0x04 as context separator or 0x00 as singular/plural separator.
* @param string $translations Translation strings from MO file.
* @return Translation_Entry Entry instance.
*/
private function make_entry( $original, $translations ): Translation_Entry {
$entry = new Translation_Entry();
// Look for context, separated by \4.
$parts = explode( "\4", $original );
if ( isset( $parts[1] ) ) {
$original = $parts[1];
$entry->context = $parts[0];
}
$entry->singular = $original;
$entry->translations = explode( "\0", $translations );
$entry->is_plural = count( $entry->translations ) > 1;
return $entry;
}
/**
* Translates a plural string.
*
* @since 6.5.0
*
* @param string|null $singular Singular string.
* @param string|null $plural Plural string.
* @param int|float $count Count. Should be an integer, but some plugins pass floats.
* @param string|null $context Context.
* @return string|null Translation if it exists, or the unchanged singular string.
*/
public function translate_plural( $singular, $plural, $count = 1, $context = '' ) {
if ( null === $singular || null === $plural ) {
return $singular;
}
$translation = $this->controller->translate_plural( array( $singular, $plural ), (int) $count, (string) $context, $this->textdomain );
if ( false !== $translation ) {
return $translation;
}
// Fall back to the original with English grammar rules.
return ( 1 === $count ? $singular : $plural );
}
/**
* Translates a singular string.
*
* @since 6.5.0
*
* @param string|null $singular Singular string.
* @param string|null $context Context.
* @return string|null Translation if it exists, or the unchanged singular string
*/
public function translate( $singular, $context = '' ) {
if ( null === $singular ) {
return null;
}
$translation = $this->controller->translate( $singular, (string) $context, $this->textdomain );
if ( false !== $translation ) {
return $translation;
}
// Fall back to the original.
return $singular;
}
}